By about 900 CE, what researchers call the Thule cultural tradition had developed along northern Alaska’s Arctic coast. New tools and transport—especially skin boats (umiaks), kayaks, and dog traction—supported long-distance travel and helped connect coastal and inland communities through exchange. These innovations set the starting conditions for later Inuit-wide trade networks across the Arctic.
After about 1000 CE, Thule groups expanded rapidly from Alaska across northern Canada toward Greenland. Movement along coastlines and rivers created repeated points of contact, where groups could swap scarce materials (like stone types, ivory, and hides) and share techniques. This eastward spread also reshaped older regional networks as new Thule settlements appeared at key hunting and travel corridors.
By the 12th century, Thule (ancestral Inuit) settlement had reached Greenland. This matters for exchange because Greenland linked Arctic trade routes to the North Atlantic world and created new opportunities for interaction among Inuit groups over very long distances. Communication between Thule regions in Alaska and the eastern Arctic continued for centuries, helping goods and ideas circulate across the Arctic.
From the early 12th century into the mid-14th century, Norse Greenlanders played a major role in moving walrus ivory into European markets. This Atlantic demand made walrus products a high-value trade item in the far north. Researchers note that it is not always clear how much ivory was directly hunted by Norse versus obtained through exchange with Arctic Indigenous groups operating in overlapping regions.
Archaeological evidence from the 13th century shows at least some Norse–Thule (Inuit) co-existence and likely interaction at coastal sites in Greenland. Such shared coastal locations were practical places to meet because they offered good landing areas and storage, supporting trade or barter during seasonal travel. This contact represents a key moment when Inuit exchange systems connected directly with a European-linked economy.
Between about 1300 and 1700, cultural communication persisted between Thule communities in Alaska and those in the central/eastern Canadian Arctic. This long-distance connectivity helped sustain interregional exchange—moving practical goods (like hides, oil, and tools) and also spreading styles and knowledge. In a harsh environment where communities depended on specialized resources, these ties reduced risk during bad hunting years.
In northwest Alaska, major gathering events—often described as trade fairs—brought together many Indigenous groups, including participants from across the Bering Strait. Archaeological and oral-history evidence suggests key fair locations such as Sisualik were active by the late Thule period (about 1400–1750 CE). These events combined commerce and social ties, helping distribute non-local materials and foods across a wide region.
In 1670, the Hudson’s Bay Company received an English royal charter and began building trading posts around Hudson and James bays. Although the HBC’s early focus was south of most Inuit homelands, it helped expand a large fur-and-goods economy across northern North America. Over time, that trade system influenced what goods moved northward into Arctic exchange chains through Indigenous intermediaries.
By the 18th century, the Sisualik trade fair cycle in northwest Alaska was embedded in seasonal travel and hunting patterns. The National Park Service summarizes accounts describing participation by Iñupiat, Siberian Yupik and Chukchi visitors from across the Bering Strait, and inland Athabaskan groups. These fairs acted as “distribution hubs,” moving scarce raw materials and manufactured items across cultural and ecological zones.
In 1771, Moravian missionaries established a permanent mission at Nain on the Labrador coast. Missions in Labrador often combined religious goals with organized trading, drawing Inuit families toward mission settlements and reshaping older patterns of seasonal exchange. This created another coastal node where European goods could enter Inuit material life, and local products could be collected for shipment south.
In 1774, Denmark established the Royal Greenland Trading Department (KGH), and by 1776 it held a monopoly over trade in Greenland connected to Danish trading stations. This shifted Inuit exchange in Greenland toward a more regulated, state-controlled market for items like seal products, whale products, and fish. The new system concentrated trade at specific posts, changing where and how people could exchange goods.
In 1782, Moravians established their mission at Hopedale (near an Inuit settlement known as Agvituk). With multiple mission sites along the coast, Inuit trade became more tied to fixed locations where imported supplies were stored and exchanged. This helped connect Labrador Inuit exchange more directly to Atlantic shipping schedules and outside market demand.
After the United States purchased Alaska in 1867, new firms expanded coastal and riverine trading, buying furs and supplying imported goods. The Alaska Commercial Company was established in 1868 and developed extensive operations in the territory. This growth increased the flow of manufactured items into Indigenous exchange networks and tied parts of Inuit and neighboring peoples’ trade more tightly to global markets.
In 1890, Herschel Island (Qikiqtaruk) became the principal base for American whalers in the western Arctic. The site developed into a major trading center where Inuvialuit and Alaskan Inuit sought paid work and exchanged goods with whaling crews. While this brought new materials into local economies, sustained contact also contributed to disruptive social change, including the spread of introduced diseases.
By the late 1800s and around 1900, Inuit and Thule-descended exchange systems across the Arctic were increasingly shaped by state monopolies, missions, and commercial companies rather than only intercommunity barter. Longstanding Indigenous trade fairs and travel-based exchange continued, but the most influential “gateways” for many imported goods became fixed colonial posts and ports. This marks the transition to a new economic era in which Arctic exchange was more fully integrated into national and global trade systems.
Inuit and Thule Arctic Exchange Networks (c. 1000–1900 CE)